javascriptnode.jsgulpjscsgulp-jscs

gulp-jscs Object.keys called on non-object


I'm a novice at gulp, and trying to play with it. I get this error when I try to use gulp-jscs

'default' errored after 98 ms
[16:58:00] TypeError: Object.keys called on non-object
    at Function.keys (native)
    at NodeConfiguration.Configuration._throwNonCamelCaseErrorIfNeeded (/home/kbadr/Node_Projects/demo/membership/node_modules/gulp-jscs/node_modules/jscs/lib/config/configuration.js:440:12)
    at NodeConfiguration.Configuration.load (/home/kbadr/Node_Projects/demo/membership/node_modules/gulp-jscs/node_modules/jscs/lib/config/configuration.js:51:10)
    at StringChecker.configure (/home/kbadr/Node_Projects/demo/membership/node_modules/gulp-jscs/node_modules/jscs/lib/string-checker.js:66:29)
    at Checker.configure (/home/kbadr/Node_Projects/demo/membership/node_modules/gulp-jscs/node_modules/jscs/lib/checker.js:26:39)
    at module.exports (/home/kbadr/Node_Projects/demo/membership/node_modules/gulp-jscs/index.js:31:11)
    at Gulp.<anonymous> (/home/kbadr/Node_Projects/demo/membership/gulpfile.js:22:15)
    at module.exports (/home/kbadr/Node_Projects/demo/membership/node_modules/gulp/node_modules/orchestrator/lib/runTask.js:34:7)
    at Gulp.Orchestrator._runTask (/home/kbadr/Node_Projects/demo/membership/node_modules/gulp/node_modules/orchestrator/index.js:273:3)
    at Gulp.Orchestrator._runStep (/home/kbadr/Node_Projects/demo/membership/node_modules/gulp/node_modules/orchestrator/index.js:214:10

and here's my gulpfile

var gulp = require('gulp');
var jscs = require('gulp-jscs');

gulp.task('default', function () {
    return gulp.src('src/app.js')
        .pipe(jscs());
});

Solution

  • This seems to happen if jscs doesn't have read access to your .jscsrc or if it doesn't exist. This happened to me after copying and pasting it from an old git repro. To fix this open the file with a text editor and resave it, accepting the prompt to overwrite as well as starting with a '.' (e.g. .jscsrc) Run your task again and it will complete.